Re: How to prevent empty page after MPpage?

[Hans Hagen <pragma@wxs.nl>]

Mojca Miklavec wrote:
> On Sun, Jul 12, 2009 at 23:02, Wolfgang Schuster wrote:
>> Am 12.07.2009 um 22:49 schrieb Mojca Miklavec:
>>
>>> This is a complete minimal example (no need for any external package).
>>> It seems that \obeyMPlines or something related introduces a space
>>> somewhere, and that generates an empty page.
>> Why don't you use grouping then?

ah .. wolfgang was ahead of me -)

> I guess because I don't understand what's going on in the first place :)
> 
>> \def\startGNUPLOTpage
>>  {\begingroup\obeyMPlines\dostartGNUPLOTpage}
>>
>> \long\def\dostartGNUPLOTpage#1\stopGNUPLOTpage
>>  {\endgroup\startMPpage#1\stopMPpage}
> 
> Thanks a lot!!! The magic apparently works. I don't understand what
> exactly the "obeylines" macro does (it seems that it just makes sure
> that none of line endings get lost, not even inside definition
> itself).

it is not relevant here i think; there was a time when mp could not 
handle long lines so mkii has the option to split the source into lines 
(after a ;) which then makes mp happy

that restriction is no longer there

> I had enough problems convincing the macro itself to work (metapost
> was complaining about too long lines otherwise), but I would
> definitely not come to the idea of ending the group even before the
> real macro starts :)

oh? how old is your mp? can't you set the buffer to 200K in texmf.cnf?


Hans

-----------------------------------------------------------------
                                           Hans Hagen | PRAGMA ADE
               Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
      tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com
                                              | www.pragma-pod.nl
-----------------------------------------------------------------
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!

maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
webpage  : http://www.pragma-ade.nl / http://tex.aanhet.net
archive  : https://foundry.supelec.fr/projects/contextrev/
wiki     : http://contextgarden.net
___________________________________________________________________________________